NEN EN 12892 : 2000

Foreword
Introduction
1. Scope
2. Normative references
3. Terms and definitions
4. Order information and delivery conditions
   4.1 General
   4.2 Points to be discussed
   4.3 Mandatory information
5. Classification
6. Specifications
   6.1 Drawings and/or numerical data and/or master patterns
   6.2 Designation
   6.3 Sub-contracted services
   6.4 Mass
   6.5 Tooling filling systems
   6.6 Tooling temperature
7. Manufacturing requirements
   7.1 Materials
   7.2 Manufacture
   7.3 Contractions
   7.4 Required machining allowances (RMA)
   7.5 Tolerances
   7.6 Marking and labelling
8. Quality control
   8.1 Inspection documentation
   8.2 Samples
9. Usage
   9.1 General
   9.2 Thermal stability
   9.3 Pressure (clamping and injection)
   9.4 Tooling handling
   9.5 Tooling location, connection and alignment
   9.6 Pattern stripping and handling
   9.7 Tooling assembly
   9.8 Prevention of pattern distortion
   9.9 Repair and refurbishment
   9.10 Packaging and protection
   9.11 Other requirements
Annex A (informative) Examples at a dimensional test report
        and a tooling checklist

Requirements for tooling for the production of lost patterns by the lost foam process are specified in this Standard.